Survey on the Ecological Environment Deterioration of Inner Mongolia Xiang Huang Banner.

Macroscopical situation of grassland ecoiogical environment of Xiang Huang Banner in Inner Mongolia was researched in detail by remote sensing techniques. Dynamic changes of grassland ecological environment in this area was compared with historical data. Three norms of gravelling, sanding and salinization were used to indicate deterioration degree of the grassland ecological environment. The results show that methods and norms used in here were accurate, fast, simple, and easy to use, which can meet the needs for grassland ecological environment management.